What really bothered the usually affable Nadal was the way the French Open’s scheduling decisions, and the weather, combined to force him to now play on consecutive days, while his third-round opponent Saturday, Fabio Fognini, was ‘‘watching the TV in the locker room’’ on Friday.

‘‘That’s not fair,’’ Nadal said, his arms crossed, his voice stern.

‘‘This is not right,’’ the seven-time champion in Paris said moments later, shaking his head and arching his left eyebrow.

What flustered Nadal, basically, was that his 4-6, 6-3, 6-3, 6-3 victory over Martin Klizan was supposed to be played Thursday but wound up being postponed because of rain — in part because it was the third match slated for its court.

The 27th-seeded Fognini’s second-round victory win over Lukas Rosol, meanwhile, was No. 2 on its court and finished Thursday. Nadal’s point: When there’s rain in the forecast, everything possible should be done to ensure that two matches whose winners will face each other next should be completed on the same day.

Nadal also didn’t like that while Fognini-Rosol followed one women’s match — which, because they are best-of-three-sets, tend to be shorter than the men’s best-of-five — on Thursday’s program, Nadal-Klizan followed both a men’s match and a women’s match. His match should have taken priority on a day when showers made rescheduling likely, Nadal argued, because if women ‘‘have to play two days in a row, [it] is not a big deal.’’

Ana Ivanovic, the 2008 French Open women’s champion, sided with Nadal on that point, saying men should ‘‘get more time to recover.’’

‘‘Especially now, when he has to play day after day, I think he’s right. They should play early,’’ Ivanovic said after reaching the fourth round with a 6-3, 6-2 win against Virginie Razzano, the Frenchwoman who stunned Serena Williams in the first round last year.

Another complaint: Nadal said he was told by tournament officials they wanted to make sure Rosol got on court Thursday because, unlike Nadal, he also was in men’s doubles.

‘‘I am sorry, but that’s a joke,’’ Nadal said. ‘‘Why do you want to protect the player who has to play doubles? So I’m going to [sign up for] the doubles draw then, and I have the priority to play?’’

Now Nadal will need to win six matches over 10 days if he’s going to be the first man to collect eight trophies at one Grand Slam tournament.

‘‘Well, if I can win [Saturday], I’ll have a day off, and that should be enough,’’ the Spaniard said. ‘‘I don’t think that will be a problem.’’

Once he got on a roll at his news conference, Nadal responded to a question about the men’s tour calendar by bemoaning that there are too many tournaments players are required to enter. He also wished aloud that the ranking system were based on two years’ worth of results instead of one, something he lobbied unsuccessfully for when he was a vice president of the ATP Player Council.

All in all, the 11-time major champion’s laments were the most interesting development on a day bereft of on-court drama for the top players — aside, perhaps, from that one-set stumble of his against the 35th-ranked Klizan.

Williams, seeking her first French Open title since 2002, extended her career-best winning streak to 27 matches by defeating Sorana Cirstea, 6-0, 6-2, and has lost only six games through three rounds. Defending champion Maria Sharapova needed all of 15 minutes to finish off her straight-set win over Canada’s Eugenie Bouchard in a rain-suspended second-round match. Two other past champions advanced: 2009’s Svetlana Kuznetsova and 2010’s Francesca Schiavone.

Roger Federer, whose record 17 Grand Slam titles include the 2009 French Open, lost serve in the very first game but not again, getting to the fourth round by eliminating No. 30 Julien Benneteau, 6-3, 6-4, 7-5.

‘‘I’m able to play quite aggressive at the moment,’’ said Federer, who lost to Benneteau on an indoor hard court at Rotterdam in February. ‘‘I don’t know if I can keep that up. But the important thing is to keep the errors somewhat low because otherwise it’s just silly aggressiveness. It has to be controlled aggression.’’

He now faces No. 15 Gilles Simon, who came back to beat No. 18 Sam Querrey, 2-6, 6-3, 2-6, 7-6 (7-2), 6-2. That left No. 19 John Isner as the last US man in the tournament after his 5-7, 6-7 (7-9), 6-3, 6-1, 8-6 win against Ryan Harrison.

Simon won the first two matches he played against Federer, but has lost the three since, including on clay at Rome a little more than two weeks ago.

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